Senior Software Engineer I, Full Stack

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer I, Full Stack based in United States. This is a hands-on senior engineering role focused on building and evolving a modern data and marketing intelligence platform. You will work across the full technology stack, designing React and TypeScript experiences alongside Django and Python APIs and services. The role offers ownership of complex features from architecture and development through deployment, monitoring, and production support. You will collaborate closely with Product, UX, QA, and engineering teams to turn sophisticated business workflows into scalable, intuitive solutions. You will also integrate with Google and other third-party platforms while strengthening application security, reliability, testing, and observability. Beyond individual contributions, you will mentor engineers, influence technical direction, and help establish stronger engineering standards. This is an opportunity to combine deep technical expertise with meaningful technical leadership in a collaborative, agile, remote-first environment.